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Finding the Fourth Proportional to 79,506.90, 118,590.55 and 73,995.66

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Solution

The fourth proportional to 79,506.90, 118,590.55 and 73,995.66 is: 110,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,506.90 : 118,590.55 = 73,995.66 : x
  2. Step 2: Convert to fraction form
    79,506.90/118,590.55 = 73,995.66/x
  3. Step 3: Cross multiply
    79,506.90x = 118,590.55 × 73,995.66
  4. Step 4: Simplify right side
    79,506.90x = 8,775,185,832.02
  5. Step 5: Solve for x
    x = 8,775,185,832.02/79,506.90
  6. Step 6: Final answer
    x = 110,370.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.